5911663 has 2 divisors, whose sum is σ = 5911664. Its totient is φ = 5911662.

The previous prime is 5911657. The next prime is 5911681. The reversal of 5911663 is 3661195.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5911663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5911063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2955831 + 2955832.

It is an arithmetic number, because the mean of its divisors is an integer number (2955832).

Almost surely, 2^5911663 is an apocalyptic number.

5911663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5911663 is an equidigital number, since it uses as much as digits as its factorization.

5911663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 5911663 is about 2431.3911655676. The cubic root of 5911663 is about 180.8158745394.

The spelling of 5911663 in words is "five million, nine hundred eleven thousand, six hundred sixty-three".